@media (-webkit-min-device-pixel-ratio: 1.5), (min-device-pixel-ratio: 1.5) {
  .border-1px:after,
  .border-right-1px:after {
    -webkit-transform: scaleY(0.7);
    transform: scaleY(0.7);
  }
}
@media (-webkit-min-device-pixel-ratio: 2), (min-device-pixel-ratio: 2) {
  .border-1px:after {
    -webkit-transform: scaleY(0.5);
    transform: scaleY(0.5);
  }
}
.clearfix {
  display: block;
}
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  visibility: hidden;
  clear: both;
  line-height: 0;
}
